1 /** @addtogroup MCD_MCDIMPL_DAEMON_SRV
2 * @{
3 * @file
4 *
5 * Mutex implementation (pthread wrapper).
6 *
7 * <!-- Copyright Giesecke & Devrient GmbH 2009 - 2012 -->
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. The name of the author may not be used to endorse or promote
18 * products derived from this software without specific prior
19 * written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
22 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
23 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
25 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
27 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
29 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
30 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
31 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 */
33 #include "CMutex.h"
34
35
36 //------------------------------------------------------------------------------
CMutex(void)37 CMutex::CMutex(
38 void
39 )
40 {
41 pthread_mutex_init(&m_mutex, NULL);
42 pthread_cond_init(&m_cond, NULL);
43 }
44
45
46 //------------------------------------------------------------------------------
~CMutex(void)47 CMutex::~CMutex(
48 void
49 )
50 {
51 pthread_mutex_destroy(&m_mutex);
52 pthread_cond_destroy(&m_cond);
53 }
54
55
56 //------------------------------------------------------------------------------
lock(void)57 int32_t CMutex::lock(
58 void
59 )
60 {
61 return pthread_mutex_lock(&m_mutex);
62 }
63
64
65 //------------------------------------------------------------------------------
trylock(void)66 int32_t CMutex::trylock(
67 void
68 )
69 {
70 return pthread_mutex_trylock(&m_mutex);
71 }
72
73
74 //------------------------------------------------------------------------------
unlock(void)75 int32_t CMutex::unlock(
76 void
77 )
78 {
79 return pthread_mutex_unlock(&m_mutex);
80 }
81
82 /** @} */
83